CN113020867B - Cab assembly welding mould - Google Patents
Cab assembly welding mould Download PDFInfo
- Publication number
- CN113020867B CN113020867B CN202110238776.7A CN202110238776A CN113020867B CN 113020867 B CN113020867 B CN 113020867B CN 202110238776 A CN202110238776 A CN 202110238776A CN 113020867 B CN113020867 B CN 113020867B
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- China
- Prior art keywords
- supporting device
- upright posts
- welding
- positioning
- top cover
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Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
- B23K37/00—Auxiliary devices or processes, not specially adapted to a procedure covered by only one of the preceding main groups
- B23K37/04—Auxiliary devices or processes, not specially adapted to a procedure covered by only one of the preceding main groups for holding or positioning work
- B23K37/0426—Fixtures for other work
- B23K37/0435—Clamps
- B23K37/0443—Jigs
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
- Y02T30/00—Transportation of goods or passengers via railways, e.g. energy recovery or reducing air resistance
Abstract
The cab assembly welding mould comprises a base platform, wherein a plurality of mounting holes are formed in the surface of the base platform, a bottom positioning device and a bottom jacking device for side wall welding are symmetrically arranged on two sides of the base platform, a positioning block and a partition wall supporting device for partition wall welding are arranged at one end of the base platform, a spot-welding plate for front wall bottom end welding and an arc-shaped positioning plate for side wall front end welding are sequentially arranged at the other end of the base platform from outside to inside, and a top cover supporting device for supporting a top cover and a front wall supporting device for supporting a front wall are arranged in the middle of the base platform; the bottom positioning device, the bottom jacking device, the positioning block, the partition wall supporting device, the spot welding plate, the arc positioning plate, the top cover supporting device and the front wall supporting device are all detachably connected with the foundation platform.
Description
Technical Field
The invention belongs to the technical field of welding devices, and particularly relates to a cab assembly welding mould.
Background
At present, most of the assembly welding clamping fixture of the cab is of a welding structure, and as the main body frame of the cab is a customized piece, the interchangeability is lacking, so that the assembly welding clamping fixture has the following defects:
1) The design time of the mould is long, and each new vehicle type is produced, one mould is designed;
2) For the vehicle models which are being researched and developed and have no orders, sometimes, the existing clamping fixture is modified for reducing the cost, and the positioning blocks and part of the clamping fixtures are required to be replaced in a cutting and welding mode, so that the replacement operation time is long, the original accessories are high in loss, and the labor cost is high;
3) The transportation and storage cost is high, and idle tools can only be transported to a warehouse for storage during the changing period, so that the quantity of the inventory mould is large, the resource waste is caused, and the production site is occupied under the condition that the maximum capacity cannot be exerted.
Disclosure of Invention
The invention aims to provide a cab assembly welding mould so as to meet the production requirements of cab structure assembly welding of different vehicle types, and meanwhile, the updating requirements of parts of the mould are reduced to the greatest extent in the production of new products, so that the purposes of saving the new manufacturing cost of the mould, reducing the transportation cost of the mould, reducing the design time of the mould and improving the production efficiency are achieved.
In order to achieve the above purpose, the invention adopts the following technical scheme: the cab assembly welding mould comprises a base platform, wherein a plurality of mounting holes are formed in the surface of the base platform, a bottom positioning device and a bottom jacking device for side wall welding are symmetrically arranged on two sides of the base platform, a positioning block and a partition wall supporting device for partition wall welding are arranged at one end of the base platform, a spot-welding plate for front wall bottom end welding and an arc-shaped positioning plate for side wall front end welding are sequentially arranged at the other end of the base platform from outside to inside, and a top cover supporting device for supporting a top cover and a front wall supporting device for supporting a front wall are arranged in the middle of the base platform; the bottom positioning device, the bottom jacking device, the positioning block, the partition wall supporting device, the spot welding plate, the arc positioning plate, the top cover supporting device and the front wall supporting device are all detachably connected with the foundation platform.
When the cab is assembled and welded, the bottom positioning device, the bottom jacking device, the partition wall positioning block, the partition wall supporting device, the spot welding plate, the arc positioning plate, the top cover supporting device and the front wall supporting device are arranged on the foundation platform according to the design size of the cab, and as the plurality of mounting holes are formed in the upper surface of the foundation platform, the components can be arranged at different positions on the foundation platform so as to adjust the relative position relation among the components, so that the assembly and welding mould suitable for different vehicle types is assembled and formed, and the positioning module can be increased or decreased on the foundation platform according to the requirement; after the assembly welding of the cab is completed, the assembly welding mould can be disassembled and split-packed so as to be convenient for storage and transportation.
Preferably, the top cover supporting device and the front wall supporting device comprise upright posts and upright post mounting seats, and the upright post mounting seats are fixed on the foundation platform through locking pins; the stand column and the stand column mounting seat are provided with a plurality of mounting holes along the length direction of the stand column and the stand column mounting seat, and the stand column mounting seat are connected through a locking pin.
The stand, stand mount pad all have offered a plurality of mounting holes along its length direction, from this, adjustable stand installs the height on the stand mount pad to the adaptation has not co-altitude cab, and stand, stand mount pad all pass through the locking pin and connect, be convenient for assemble.
Preferably, the top cover supporting device comprises four upright posts symmetrically arranged on two sides of the foundation platform, and two upright posts at the same end of the foundation platform are connected through a cross beam with adjustable length, and the two ends of the cross beam are both fixed with top cover supporting seats.
In the scheme, the connection between the upright posts is reinforced through the cross beam, and the cab with different widths can be adapted due to the adjustable length of the cross beam; the cross beam is provided with a top cover supporting seat, so that the supporting effect on the top cover can be further enhanced.
Preferably, two upright posts on the same side of the foundation platform in the top cover supporting device are connected through a longitudinal beam, and a positioning assembly capable of being turned over by 90 degrees is arranged on the side face of the longitudinal beam.
In the scheme, the connection between the same side upright posts is reinforced through the longitudinal beams, and meanwhile, the positioning assembly capable of being turned over by 90 degrees is arranged on the longitudinal beams, so that the positioning effect on the side walls is enhanced.
Preferably, the top cover supporting seat comprises a connecting plate and a supporting cylinder welded on the connecting plate, a threaded hole is formed in the supporting cylinder, and a hexagonal bolt is in threaded connection with the supporting cylinder and is fixed through a hexagonal nut; the connecting plate is connected with the cross beam through a locking pin.
Preferably, the crossbeam comprises two porous side's pipes that double-end screw rod connects, the both ends of porous side's pipe all are equipped with the internal thread, and the top of stand passes through the bolt to be connected with the crossbeam.
Preferably, the front wall supporting device comprises four upright posts symmetrically arranged on two sides of the foundation platform, and the two upright posts positioned on the outer side of the foundation platform are connected with the top cover supporting device through longitudinal beams, so that the connection strength of the whole assembly welding mould can be enhanced.
Preferably, the partition wall supporting device comprises a connecting beam and two upright posts, wherein a plurality of mounting holes are formed in the upright posts and the connecting beam along the length direction of the connecting beam, the bottom ends of the upright posts are mounted on the foundation platform, and two ends of the connecting beam are respectively connected with the two upright posts; the upright post is provided with at least one partition wall jacking component along the height direction, the pedal component is arranged on the upper part of the upright post, and the connecting beam is also provided with a positioning component capable of overturning by 90 degrees.
Preferably, the partition wall propping assembly comprises a connecting seat and a screw rod in threaded connection with the connecting seat, wherein a pressure head is arranged at one end of the screw rod, a handle is arranged at the other end of the screw rod, and a mounting hole is formed in the connecting seat and is fixed on the upright post through a locking pin.
Preferably, the mounting holes are uniformly formed in the horizontal direction and the longitudinal direction of the sample loading of the basic platform, the hole distance between two adjacent mounting holes in the horizontal direction is 100mm, and the hole distance between two adjacent mounting holes in the longitudinal direction is 50mm, so that the assembly precision of the cab assembly welding mould is improved.
In a specific embodiment, the bottom positioning means consist of a support and a bolt, which is mounted on the support by means of a nut so as to perform a positioning function.
In a specific embodiment, the bottom propping device consists of a threaded block and a screw rod, wherein the screw rod is arranged on the threaded block, one end of the screw rod is provided with a pressure head, the other end of the screw rod is provided with a handle, and the screw rod can axially move forwards or backwards under the guiding action of internal threads of a threaded hole on the threaded block when rotating, so that the pressure head is propped against the side wall.
The beneficial effects of the invention are as follows:
1. the cab assembly welding mould can meet the production requirements of different vehicle types and is suitable for locomotive cabs with different structures and sizes;
2. if a new vehicle model is required to be produced, the requirement of adapting to the assembly welding of the new product can be met only by reassembling the existing assembly welding mould or adding a small number of positioning modules;
3. the cab assembly welding mould has stronger structural rigidity and simpler installation, and is beneficial to improving the integral assembly precision of the cab structure.
Drawings
FIG. 1 is a perspective view of an embodiment of the present invention;
FIG. 1 a) is a front view of FIG. 1;
FIG. 1 b) is a left side view of FIG. 1;
FIG. 1 c) is a top view of FIG. 1;
FIG. 1 d) is a right side view of FIG. 1;
FIG. 1 e) is an A-view of FIG. 1 d);
FIG. 2 is a schematic view of the pass-through pin of FIG. 1 e);
FIG. 3 is a schematic view of the bottom tightening device of FIG. 1;
FIG. 4 is a schematic view of the bottom positioning device of FIG. 1;
FIG. 5 is a schematic view of the column mount of FIG. 1;
FIG. 6 is a schematic view of the column of FIG. 1;
FIG. 7 is a schematic view of the right angle connection block of FIG. 1;
FIG. 8 is a schematic view of the positioning assembly of FIG. 1 shown inverted 90;
FIG. 9 is a schematic view of the stringer of FIG. 1;
fig. 10 is a schematic view of the partition supporting apparatus of fig. 1;
FIG. 11 is a schematic view of the bulkhead fastener assembly of FIG. 10;
FIG. 12 is a schematic view of the pedal assembly of FIG. 10;
FIG. 13 is a schematic view of the roof support stand of FIG. 1;
FIG. 14 is a schematic view of the cross beam of FIG. 1;
FIG. 15 is a schematic view of the T-shaped 90 angle joint of FIG. 1;
FIG. 16 is a schematic view of the arcuate locating plate of FIG. 1;
FIG. 17 is a schematic view of the tack weld of FIG. 1;
fig. 18 is a schematic view of the partition positioning block of fig. 1.
Detailed Description
As shown in fig. 1 to 18, a cab assembly welding jig mainly comprises a basic platform 1, a bottom jacking device 2, a bottom positioning device 3, a stand column installation seat 4, a stand column 5, a right-angle connecting block 6, a positioning component 7 capable of overturning by 90 degrees, a longitudinal beam 8, a partition wall supporting device 9, a top cover supporting seat 10, a cross beam 12, a T-shaped 90-degree angle joint 14, an arc-shaped positioning plate 15, a spot welding plate 16, a partition wall positioning block 17 and other components, which are connected together through a locking pin 11, so that large components such as side walls, partition walls, top covers, front walls and the like are positioned, supported and jacked in the cab structure assembly process.
The foundation platform 1 is formed by connecting two rectangular platforms 1-1 through a through pin 1-2, a hexagonal nut 1-3, an elastic pad 1-4 and a flat washer 1-5. The five surfaces of each rectangular platform 1-1 are uniformly provided with mounting holes which are arranged in a staggered manner, the hole distance between each two rows of mounting holes is 100mm, and the row distance between each two rows of mounting holes is 50mm. Wherein the hexagonal nut 1-3, the elastic pad 1-4 and the flat washer 1-5 are national standard components.
As shown in fig. 2, the through pin 1-2 has a hexagonal body at one end, a cylindrical body in the middle, and a threaded rod at the other end, and the length of the cylindrical body is 1mm shorter than the connection thickness.
As shown in FIG. 3, the bottom jacking device 2 consists of a connecting plate 2-1, a threaded block 2-2, a round handle 2-3, a screw rod 2-4 and a pressure head 2-5. Four waist-shaped through holes are processed on the connecting plate 2-1, the pitch of the two waist-shaped through holes on the same side is 50mm, the pitch of the two rows of waist-shaped through holes is 100mm, and the waist-shaped through holes are used for connecting with the foundation platform 1 through the locking pins 11. The connecting plate 2-1 and the threaded block 2-2 are connected by welding, a threaded hole is formed in the upper end of the threaded block 2-2, a screw rod 2-4 is assembled in a threaded connection mode, and forward or backward axial movement can be realized under the guiding action of internal threads of the threaded hole in the threaded block 2-2 when the screw rod 2-4 rotates. One end of the screw rod 2-4 is provided with a through hole for penetrating through the round handle 2-3, the other end is provided with external threads, and the pressure head 2-5 is assembled in a threaded connection mode. When the waist-shaped through holes on the connecting plate 2-1 are aligned with the mounting holes on the foundation platform 1, the bottom jacking device 2 can be fixed on the foundation platform 1 through the locking pins 11 and can be adjusted in a left-right fine mode through the waist-shaped through holes.
As shown in fig. 4, the bottom positioning device 3 is composed of an L-shaped support 3-1, a hexagon head bolt 3-2 and a hexagon nut 3-3. Two kidney-shaped through holes are formed in one plane of the L-shaped support 3-1, the pitch of the holes is 150mm, and the two kidney-shaped through holes are used for connecting with the foundation platform 1 through the locking pins 11; the other plane is provided with two threaded through holes with different heights. The hexagon head bolt 3-2 is assembled into a threaded hole of the L-shaped support 3-1 according to requirements, and after the extending length is adjusted, the hexagon head bolt 3-2 is locked by tightening the hexagon nut 3-3.
As shown in FIG. 5, the column mounting base 4 is formed by assembling and welding a connecting plate 4-1 and a pi-shaped beam 4-2. The cross section of the connecting plate 4-1 is rectangular, four sides are respectively provided with a row of circular through holes, the pitch of the holes is 50mm, and the holes are used for connecting with the foundation platform 1 by penetrating through the locking pins 11. A row of circular through holes are processed on three sides of the pi-shaped beam 4-2, the hole distance is 50mm, and the pi-shaped beam is used for being connected with the upright post 5 through the locking pin 11.
As shown in FIG. 6, the upright post 5 is of a hollow structure in the middle, and four sides of the upright post are respectively provided with a row of circular through holes, wherein the pitch of the holes is 50mm.
In this embodiment, four upright posts 5 are symmetrically disposed on two sides of the base platform 1, and top ends of two upright posts 5 at the same end of the base platform 1 are connected by a cross beam 12 with adjustable length, and two upright posts 5 at the same side of the base platform 1 are connected by a longitudinal beam 8, thereby forming a top cover supporting device B. And in addition, four upright posts 5 symmetrically arranged on two sides of the foundation platform 1 form a front wall supporting device C, and two upright posts 5 positioned on the outer side of the foundation platform 1 in the front wall supporting device C are connected with upright posts in the top cover supporting device B through longitudinal beams 8.
As shown in FIG. 7, the right-angle connecting block 6 is in a right-angle three-shape and is formed by assembling and welding an L-shaped piece 6-1 and a triangular reinforcing rib 6-2, and two straight-edge panels of the L-shaped piece 6-1 are respectively provided with a row of circular through holes, and the hole distance is 50mm.
As shown in FIG. 8, the positioning component 7 capable of being turned by 90 degrees is composed of a connecting block 7-1, a U-shaped bracket 7-2, a turning connecting block 7-3, a hexagonal nut 7-4, a hexagonal head bolt 7-5, a shaft 7-6 and a stop pin 7-7. The connecting block 7-1, the U-shaped bracket 7-2, the shaft 7-6 and the stop pin 7-7 are connected together by welding. The connection block 7-1 is formed with a kidney-shaped through hole for connection with other components through the locking pin 11. The U-shaped bracket 7-2 is provided with two through holes with different diameters respectively, and the through holes are used for penetrating the shaft 7-6 and the stop pin 7-7. The turnover connecting block 7-3 is provided with a through hole which can pass through the shaft 7-6 and is fixed on the U-shaped bracket 7-2. One end of the turnover connecting block 7-3 is provided with a threaded hole for installing the hexagon head bolt 7-5, the extension length can be adjusted by rotating the hexagon head bolt 7-5, and the hexagon head bolt is locked by tightening the hexagon nut 7-4 after the extension length is determined. When the inclined surface of the turnover connecting block 7-3 is contacted with the stop pin 7-7, the hexagon head bolt 7-5 is in a horizontal state; when the hexagon head bolt 7-5 turns upwards, the turning connection block 7-3 is driven to move together, and when the protruding portion at the other end of the turning connection block 7-3 contacts the stop pin 7-7, turning is stopped.
As shown in fig. 9, the longitudinal beam 8 has a hollow structure in the middle, and four sides are respectively provided with a row of circular through holes with a pitch of 50mm.
As shown in fig. 10, the partition wall supporting device 9 is composed of a connecting plate 9-1, a triangular reinforcing rib 9-2, a partition wall tightening assembly 9-3, a penetrating pin 9-4, a pedal assembly 9-5, an upright post 5, a right-angle connecting block 6, a positioning assembly 7 capable of being turned by 90 degrees, a connecting beam 13, a locking pin 11, a hexagonal nut 1-3, an elastic pad 1-4 and a flat washer 1-5, wherein the two upright posts 5 and the connecting beam 13 are connected together to form a door-shaped structure. Wherein the connecting plate 9-1, the triangular reinforcing ribs 9-2 and the upright posts 5 are connected in a welding mode. The wall jacking component 9-3 and the upright post 5 are connected through a penetrating pin 9-4, a hexagonal nut 1-3, an elastic pad 1-4 and a flat washer 1-5. The positioning assembly 7 which can be turned 90 ° is mounted on the connecting beam 13 by means of the locking pin 11. The connection plate 9-1 is a rectangular plate with a circular through hole formed thereon for passing through the locking pin 11 to fix the partition supporting means 9 to the base platform 1. The penetrating pin 9-4 has the same structure as the penetrating pin 1-2, one end of the penetrating pin is a hexagon, the middle part of the penetrating pin is a cylinder, the other end of the penetrating pin is a threaded rod, and the length of the middle cylinder is 1mm shorter than the connecting thickness.
As shown in FIG. 11, the partition wall propping assembly 9-3 consists of a connecting seat 9-3-1, a screw rod 9-3-2, a pressure head 9-3-3 and a round handle 9-3-4. The connecting seat 9-3-1 is provided with a threaded hole and a circular through hole, the threaded hole is used for penetrating through the screw rod 9-3-2, and the circular through hole is used for fixing the partition wall jacking component 9-3 on the upright post 5 through the locking pin 11. One end of the screw rod 9-3-2 is provided with a round hole for penetrating through the round handle 9-3-4, and the other end is provided with external threads for assembling the pressure head 9-3-3 in a threaded connection mode.
As shown in FIG. 12, the pedal assembly 9-5 is connected by welding the pedal 9-5-1 and the L-shaped support block 9-5-2. The pedal 9-5-1 is rectangular and notched. The L-shaped supporting block 9-5-2 is L-shaped in shape, and is provided with a waist-shaped through hole for fixing the pedal assembly 9-5 on the upper part of the upright post 5 through the locking pin 11. The pedal assembly 9-5 is used for work on which the operator stands.
As shown in fig. 13, the top cover supporting seat 10 is composed of a supporting cylinder 10-1, a hexagonal nut 10-2, a hexagonal head bolt 10-3, and a connecting plate 10-4. The supporting cylinder 10-1 has a cylindrical structure, one upward end of the supporting cylinder is provided with a threaded hole, and the hexagonal head bolt 10-3 is screwed into the threaded hole and is locked by the hexagonal nut 10-2 after the extending length is adjusted. Four mounting circular through holes with a hole pitch of 50mm are formed in the connecting plate 10-4 and are used for connecting the cross beam 12 through the locking pin 11. The support cylinder 10-1 and the connection plate 10-4 are connected by welding.
As shown in fig. 14, the cross beam 12 is composed of a hexagon head bolt 12-1, an end screw block 12-2, a porous square tube 12-3, a left-hand screw block 12-4, a double-headed screw 12-5, and a right-hand screw block 12-6. One end thread block 12-2, one porous square tube 12-3 and one left-handed thread block 12-4 are welded together; one end thread block 12-2, one porous square tube 12-3 and one right-handed thread block 12-6 are assembled and welded together. One end of the double-end screw rod 12-5 is provided with left-handed trapezoidal threads, the other end is provided with right-handed trapezoidal threads, and the middle part is a hexagon. The left-handed thread block 12-4 has a left-handed trapezoidal thread through hole in the middle, and the right-handed thread block 12-6 has a right-handed trapezoidal thread through hole in the middle. The end screw blocks 12-2 at both ends of the cross beam 12 are fitted with hexagon head bolts 12-1 to fix the cross beam 12 to the column 5. The beam 12 is rotated by the middle double-headed screw 12-5, and the left and right parts move to the middle or two sides simultaneously under the screw thread guiding effect, so that the length is changed within the range of 2240 mm-2440 mm. In addition, the length of the whole cross beam 12 can be adjusted by replacing the porous square tube 12-3
As shown in fig. 15, the T-shaped 90 ° corner joint 14 is made up of two mutually perpendicular plates. Each plate has two circular through holes, 50mm apart, connecting the uprights 5 and stringers 8 together.
As shown in fig. 16, the arc-shaped positioning plate 15 is composed of an arc-shaped contour positioning template 15-1 and a circular washer 15-2. Four circular through holes are formed in the arc-shaped contour positioning sample plate 15-1, a circular through hole is formed in the middle of the circular gasket 15-2, and the circular through holes are connected in a welding mode. The arc-shaped positioning plate 15 is fixed on the basic platform 1 through the locking pin 11.
As shown in fig. 17, the spot welding plate 16 is a flat plate, on which three rows of holes are formed, the row pitch is 50mm, and each row has 4 circular through holes, and the hole pitch is 50mm. The spot welding plate 16 is fixed on the base platform 1 through the locking pin 11.
As shown in fig. 18, the partition positioning block 17 has an L shape. On one face of which there are circular through holes with a pitch of 50mm. The partition positioning block 17 is fixed on the foundation platform 1 through the locking pin 11.
When the cab is welded, as shown in fig. 1, a plurality of upright mounting seats 4 are fixed on the base platform 1 through locking pins 11, and the installation position can be adjusted by 50mm each time according to the hole pitch on the base platform 1. The upright post 5 is fixed on the upright post mounting seat 4 through a locking pin 11, and the height can be adjusted up and down by 50mm each time according to the hole distance on the upright post 5. The longitudinal beam 8 is connected with the upright post 5 through the right-angle connecting block 6 or the T-shaped 90-degree angle joint 14 and the locking pin 11, and the installation position can be adjusted up and down by 50mm each time according to the hole distance on the upright post 5. The partition wall supporting device 9 is fixed on the foundation platform 1 through the locking pin 11, and the installation position can be adjusted by 50mm each time according to the hole distance on the foundation platform 1. The cross beam 12 is connected with the upright post 5 through the right-angle connecting block 6 and the locking pin 11, and the installation height can be adjusted up and down by 50mm each time according to the hole distance on the upright post 5. The bottom jacking device 2, the bottom positioning device 3, the arc-shaped positioning plate 15, the spot welding plate 16 and the partition wall positioning block 17 are all fixed on the foundation platform 1 through the locking pin 11, and the installation position can be adjusted by 50mm in each movement according to the hole distance on the foundation platform 1. The positioning component 7 capable of being turned over by 90 degrees is fixed on the longitudinal beam 8 and the connecting beam 13 through the locking pin 11, and the installation position can be adjusted by 50mm each time according to the hole distance on the longitudinal beam 8 and the connecting beam 13. Therefore, the components can be assembled to form cab assembly welding clamping fixture with different sizes according to the requirements, so that the assembly welding clamping fixture is suitable for production requirements of different vehicle types, and modularization and flexibility are realized.
Claims (7)
1. The cab assembly welding jig is characterized by comprising a base platform (1) with a plurality of mounting holes formed in the surface, wherein a bottom positioning device (3) and a bottom jacking device (2) for welding side walls are symmetrically arranged on two sides of the base platform (1), a partition wall positioning block (17) and a partition wall supporting device (9) for welding partition walls are arranged at one end of the base platform (1), a spot-welding plate (16) for welding the bottom ends of front walls and an arc positioning plate (15) for welding the front ends of the side walls are sequentially arranged at the other end of the base platform (1) from outside to inside, and a top cover supporting device (B) for supporting top covers and a front wall supporting device (C) for supporting front walls are arranged in the middle of the base platform (1); the bottom positioning device (3), the bottom jacking device (2), the partition wall positioning block (17), the partition wall supporting device (9), the spot welding plate (16), the arc positioning plate (15), the top cover supporting device (B) and the front wall supporting device (C) are all detachably connected with the foundation platform (1); the top cover supporting device (B) and the front wall supporting device (C) comprise upright posts (5) and upright post mounting seats (4), and the upright post mounting seats (4) are fixed on the foundation platform (1) through locking pins; the upright post (5) and the upright post mounting seat (4) are provided with a plurality of mounting holes along the length direction of the upright post (5), and the upright post (5) and the upright post mounting seat (4) are connected through locking pins; the top cover supporting device (B) comprises four upright posts (5), the four upright posts (5) are symmetrically arranged on two sides of the foundation platform (1), the two upright posts (5) at the same end of the foundation platform (1) are connected through a length-adjustable cross beam (12), and top cover supporting seats (10) are fixed at two ends of the cross beam (12); two upright posts (5) positioned on the same side of the foundation platform (1) in the top cover supporting device (B) are connected through a longitudinal beam (8), and a positioning assembly (7) capable of being turned by 90 degrees is arranged on the side surface of the longitudinal beam (8);
the positioning assembly (7) comprises a connecting block (7-1), a U-shaped bracket (7-2), a turnover connecting block (7-3), a hexagonal nut (7-4), a hexagonal head bolt (7-5), a shaft (7-6) and a stop pin (7-7); the connecting block (7-1), the U-shaped bracket (7-2), the shaft (7-6) and the stop pin (7-7) are connected together in a welding mode; the U-shaped bracket (7-2) respectively passes through the shaft (7-6) and the stop pin (7-7); the turnover connecting block (7-3) is provided with a through hole which can pass through the shaft (7-6) and is fixed on the U-shaped bracket (7-2); one end of the turnover connecting block (7-3) is provided with a threaded hole for installing a hexagon head bolt (7-5), the extension length can be adjusted by rotating the hexagon head bolt (7-5), and the hexagon head bolt is locked by tightening a hexagon nut (7-4) after the extension length is determined; when the inclined surface of the turnover connecting block (7-3) is contacted with the stop pin (7-7), the hexagon head bolt (7-5) is in a horizontal state; when the hexagon head bolt (7-5) turns upwards, the turnover connecting block (7-3) is driven to move together, and when the protruding part at the other end of the turnover connecting block (7-3) contacts the stop pin (7-7), the turnover is stopped.
2. The cab assembly welding jig according to claim 1, wherein the top cover supporting seat (10) comprises a connecting plate (10-4) and a supporting cylinder (10-1) welded on the connecting plate (10-4), a threaded hole is formed in the supporting cylinder (10-1), and a hexagonal bolt (10-3) is in threaded connection with the supporting cylinder (10-1) and is fixed through a hexagonal nut (10-2); the connecting plate (10-4) is connected with the cross beam (12) through a locking pin.
3. The cab assembly welding jig according to claim 1, wherein the cross beam (12) is composed of two porous square tubes (12-3) connected by double-headed screws (12-5), both ends of the porous square tubes (12-3) are provided with internal threads, and the top ends of the upright posts (5) are connected with the cross beam (12) through bolts (12-1).
4. The cab assembly welding jig according to claim 1, wherein the front wall supporting device (C) comprises four upright posts (5), the four upright posts (5) are symmetrically arranged on two sides of the base platform (1), and two upright posts (5) positioned on the outer side of the base platform (1) are connected with the top cover supporting device (B) through longitudinal beams.
5. The cab assembly welding jig according to claim 1, wherein the partition wall supporting device (9) comprises a connecting beam (13) and two upright posts (5), the upright posts (5) and the connecting beam (13) are provided with a plurality of mounting holes along the length direction of the upright posts, the bottom ends of the upright posts (5) are mounted on the foundation platform (1), and the two ends of the connecting beam (13) are respectively connected with the top ends of the two upright posts (5); the upright post (5) is provided with at least one partition wall jacking component (9-3) along the height direction, the pedal component (9-5) is arranged on the upper part of the upright post (5), and the connecting beam (13) is also provided with a positioning component (7) capable of overturning by 90 degrees.
6. The cab assembly welding jig according to claim 5, wherein the partition wall jacking component (9-3) comprises a connecting seat (9-3-1) and a screw rod (9-3-2) in threaded connection with the connecting seat (9-3-1), one end of the screw rod (9-3-2) is provided with a pressure head (9-3-3), the other end of the screw rod (9-3-2) is provided with a handle (9-3-4), and the connecting seat (9-3-1) is provided with a mounting hole and is fixed on the upright post (5) through a locking pin.
7. The cab assembly welding jig according to claim 1, wherein the base platform (1) is uniformly provided with mounting holes along the transverse direction and the longitudinal direction, the hole distance between two adjacent mounting holes in the transverse direction is 100mm, and the hole distance between two adjacent mounting holes in the longitudinal direction is 50mm.
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| Application Number | Priority Date | Filing Date | Title |
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| CN202110238776.7A CN113020867B (en) | 2021-03-04 | 2021-03-04 | Cab assembly welding mould |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110238776.7A CN113020867B (en) | 2021-03-04 | 2021-03-04 | Cab assembly welding mould |
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| CN113020867A CN113020867A (en) | 2021-06-25 |
| CN113020867B true CN113020867B (en) | 2023-08-08 |
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| CN113020867A (en) | 2021-06-25 |
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